Dual-Tower Nitrogen Generator

Our PSA nitrogen generators use high-performance CMS to separate nitrogen from compressed air and deliver a stable supply of high-purity nitrogen on site. Compared with traditional nitrogen cylinders or liquid nitrogen delivery, this system provides a more economical and efficient way to secure your nitrogen supply while reducing dependence on outside gas vendors. With continuous on-site generation, users can avoid the inconvenience of frequent gas refills, transportation delays, and storage limitations, while maintaining a reliable long-term nitrogen source. Engineered with a compact structure and user-friendly design, the system requires minimal installation space and can be quickly put into operation with only a compressed air source and power connection. To meet different application demands, our nitrogen generators can be customized in flow, purity, control options, and energy-saving modes, making them an ideal solution for a wide range of industrial nitrogen applications.


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Benefits

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With a wide capacity range, KSTK nitrogen generators are engineered to deliver a 10%–15% lower air-to-nitrogen ratio and 5%–15% lower energy consumption than conventional systems

High Nitrogen Capacity
Generate nitrogen on site to reduce cylinder handling, delivery dependence, and long-term gas procurement expenses

Lower Costs
Automatic controls and a straightforward interface simplify start-up, monitoring, and routine operation for plant personnel

Easy Operation
Flow standby and pressure standby modes help reduce unnecessary compressed air consumption and improve overall operating efficiency

Two Energy-Saving Modes

Product Characteristic

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Carbon Molecular Sieves

High-quality CMS selectively adsorbs oxygen from compressed air, supporting efficient nitrogen separation, stable purity performance, and dependable long-term operating reliability

Stainless Steel Valves

Corrosion-resistant stainless steel valves withstand frequent switching and high pressure, helping maintain accurate flow control, sealing performance, and extended service life

Multi-Function PLC

Powered by a Siemens PLC and KSTouch™, our self-developed intelligent control software, the system supports parameter configuration, real-time operation monitoring, delivering a efficient, and user-friendly operating experience across N₂&O₂ generation systems

Application

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Laser cutting

Nitrogen generators provide stable, high-purity gas for laser cutting, preventing oxidation, improving edge quality, supporting continuous operation, and reducing long-term gas supply costs

Electronics

Supplies protective nitrogen for electronics and component manufacturing where oxidation control, stable purity, and uninterrupted gas availability are important to product consistency

Food Packaging

Creates an on-site nitrogen source for modified atmosphere packaging, helping extend shelf life, improve packaging efficiency, and reduce dependence on delivered bottled gas

FAQ

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What purity can the system achieve?

The system can produce nitrogen at different purity levels based on application needs, commonly ranging from 95% to 99.999%. Higher purity can also be achieved with a nitrogen purifier.
Is it suitable for laser cutting?

Yes. It can supply stable on-site nitrogen for laser cutting, helping reduce oxidation, improve cut quality, and lower gas supply costs.
Can it help reduce operating cost?

Yes. On-site generation avoids cylinder rental, transport, and storage costs, while energy-saving standby modes further improve efficiency.
Can it be integrated with dryers and filters?

Yes. It can be supplied as a combined skid-mounted system with air dryers, precision filters, air buffer tank, nitrogen buffer tank, and the nitrogen generator integrated into one unit.

Technical Specification

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Nitrogen Purity	95~99.999%
Nitrogen Flowrate	1~3000Nm³
Nitrogen Dew Point	-60~-30℃
Nitrogen Pressure	6~8Bar
Air Inlet Pressure	8~10Bar
Air Inlet Temperature	20~35℃
Voltage/Frequency	220v/50~60Hz

Note: Specific requirements can be made upon request

Product Specification

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KNA-SA

Purity: 99%

Model	Air to N₂ Ratio (Nm³)		Inlet & Outlet Dimension（DN）		Air Dryer Model	Unit Structure
Model	Air Consumption	N₂ Output	Inlet	Outlet	Air Dryer Model	Unit Structure
KNA-100SA	225	100	32	25	KRD-070F	Standard
KNA-150SA	337.5	150	40	25	KRD-085F	Standard
KNA-300SA	675	300	50	40	KRD-140F	Standard
KNA-600SA	1350	600	65	50	KRD-250F	Standard

KNA-SA+

Purity: 99.5%

Model	Air to N₂ Ratio (Nm³)		Inlet & Outlet Dimension（DN）		Air Dryer Model	Unit Structure
Model	Air Consumption	N₂ Output	Inlet	Outlet	Air Dryer Model	Unit Structure
KNA-100SA+	270	100	32	25	KRD-070F	Standard
KNA-150SA+	405	150	40	32	KRD-085F	Standard
KNA-300SA+	810	300	50	40	KRD-170F	Standard

KNA-SB

Purity: 99.9%

Model	Air to N₂ Ratio (Nm³)		Inlet & Outlet Dimension（DN）		Air Dryer Model	Unit Structure
Model	Air Consumption	N₂ Output	Inlet	Outlet	Air Dryer Model	Unit Structure
KNA-60SB	198	60	32	20	KRD-070F	Standard
KNA-100SB	330	100	40	25	KRD-085F	Standard
KNA-150SB	495	150	40	32	KRD-108F	Standard
KNA-300SB	990	300	50	40	KRD-220F	Standard

KNA-SB+

Purity: 99.95%

Model	Air to N₂ Ratio (Nm³)		Inlet & Outlet Dimension（DN）		Air Dryer Model	Unit Structure
Model	Air Consumption	N₂ Output	Inlet	Outlet	Air Dryer Model	Unit Structure
KNA-60SB+	222	60	25	20	KRD-070F	Standard
KNA-100SB+	370	100	40	25	KRD-085F	Standard
KNA-150SB+	555	150	50	32	KRD-140F	Standard
KNA-300SB+	1110	300	65	40	KRD-220F	Standard

KNA-SC

Purity: 99.99%

Model	Air to N₂ Ratio (Nm³)		Inlet & Outlet Dimension（DN）		Air Dryer Model	Unit Structure
Model	Air Consumption	N₂ Output	Inlet	Outlet	Air Dryer Model	Unit Structure
KNA-60SC	252	60	32	20	KRD-070F	Standard
KNA-100SC	420	100	40	20	KRD-085F	Standard
KNA-150SC	630	150	50	25	KRD-140F	Standard
KNA-200SC	840	200	50	40	KRD-220F	Standard

KNA-SC+

Purity: 99.995%

Model	Air to N₂ Ratio (Nm³)		Inlet & Outlet Dimension（DN）		Air Dryer Model	Unit Structure
Model	Air Consumption	N₂ Output	Inlet	Outlet	Air Dryer Model	Unit Structure
KNA-60SC+	276	60	32	20	KRD-070F	Standard
KNA-100SC+	460	100	40	20	KRD-108F	Standard
KNA-200SC+	920	200	50	40	KRD-220F	Standard

KNA-SD

Purity: 99.999%

Model	Air to N₂ Ratio (Nm³)		Inlet & Outlet Dimension（DN）		Air Dryer Model	Unit Structure
Model	Air Consumption	N₂ Output	Inlet	Outlet	Air Dryer Model	Unit Structure
KNA-60SD	312	60	40	20	KRD-070F	Standard
KNA-100SD	520	100	50	20	KRD-108F	Standard